matsunderland

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-08-21 23:34:28

Path Traversal 2

Time of First Successful Submission: 2026-08-22 20:37:35

CMDi 1

Time of First Successful Submission: 2026-08-22 21:29:56

CMDi 2

Time of First Successful Submission: 2026-08-22 21:35:27

CMDi 3

Time of First Successful Submission: 2026-08-22 22:00:06

CMDi 4

Time of First Successful Submission: 2026-08-22 22:04:54

CMDi 5

Time of First Successful Submission: 2026-08-22 22:14:12

CMDi 6

Time of First Successful Submission: 2026-08-22 22:49:56

Authentication Bypass 1

Time of First Successful Submission: 2026-08-22 23:02:43

Authentication Bypass 2

Time of First Successful Submission: 2026-08-22 23:20:30

SQLi 1

Time of First Successful Submission: 2026-08-22 23:41:22

SQLi 2

Time of First Successful Submission: 2026-08-23 00:06:55

SQLi 3

Time of First Successful Submission: 2026-08-23 00:25:00

SQLi 4

Time of First Successful Submission: 2026-08-23 00:54:01

SQLi 5

Time of First Successful Submission: 2026-08-23 02:24:39

XSS 1

Time of First Successful Submission: 2026-08-23 13:03:50

XSS 2

Time of First Successful Submission: 2026-08-23 15:12:32

XSS 3

Time of First Successful Submission: 2026-08-23 15:17:41

XSS 4

Time of First Successful Submission: 2026-08-23 15:29:29

XSS 5

Time of First Successful Submission: 2026-08-23 15:55:03

XSS 6

Time of First Successful Submission: 2026-08-23 16:09:41

XSS 7

Time of First Successful Submission: 2026-08-23 16:42:42

CSRF 1

Time of First Successful Submission: 2026-08-23 17:31:46

CSRF 2

Time of First Successful Submission: 2026-08-23 17:56:22

CSRF 3

Time of First Successful Submission: 2026-08-23 19:06:27

CSRF 4

Time of First Successful Submission: 2026-08-23 21:04:46

CSRF 5

Time of First Successful Submission: 2026-08-23 22:25:07

Connect

Time of First Successful Submission: 2026-08-24 13:20:27

Send

Time of First Successful Submission: 2026-08-24 13:22:08

Shutdown

Time of First Successful Submission: 2026-08-24 13:24:36

Listen

Time of First Successful Submission: 2026-08-24 13:25:48

Scan 1

Time of First Successful Submission: 2026-08-24 13:39:48

Scan 2

Time of First Successful Submission: 2026-08-24 15:07:41

Monitor 1

Time of First Successful Submission: 2026-08-24 16:07:01

Monitor 2

Time of First Successful Submission: 2026-08-24 16:24:44

Sniffing Cookies

Time of First Successful Submission: 2026-08-24 17:36:06

Network Configuration

Time of First Successful Submission: 2026-08-24 18:58:34

Firewall 1

Time of First Successful Submission: 2026-08-24 19:28:45

Firewall 2

Time of First Successful Submission: 2026-08-24 19:31:00

Firewall 3

Time of First Successful Submission: 2026-08-24 19:39:28

Denial of Service 1

Time of First Successful Submission: 2026-08-24 20:02:04

Denial of Service 2

Time of First Successful Submission: 2026-08-24 20:22:59

Denial of Service 3

Time of First Successful Submission: 2026-08-25 22:14:44

Ethernet

Time of First Successful Submission: 2026-08-25 22:31:36

IP

Time of First Successful Submission: 2026-08-25 22:37:28

TCP

Time of First Successful Submission: 2026-08-25 22:44:25

TCP Handshake

Time of First Successful Submission: 2026-08-26 00:07:04

UDP

Time of First Successful Submission: 2026-08-26 00:42:40

UDP 2

Time of First Successful Submission: 2026-08-26 00:49:31

UDP Spoofing 1

Time of First Successful Submission: 2026-08-26 00:59:52

UDP Spoofing 2

Time of First Successful Submission: 2026-08-26 01:10:46

UDP Spoofing 3

Time of First Successful Submission: 2026-08-26 13:50:20

UDP Spoofing 4

Time of First Successful Submission: 2026-08-26 17:12:09

ARP

Time of First Successful Submission: 2026-08-26 18:14:12

Intercept

Time of First Successful Submission: 2026-08-26 22:13:19

Man-in-the-Middle

Time of First Successful Submission: 2026-08-27 01:37:09

XOR

Time of First Successful Submission: 2026-08-27 13:10:29

XORing Hex

Time of First Successful Submission: 2026-08-27 13:39:26

XORing ASCII

Time of First Successful Submission: 2026-08-27 13:49:11

XORing ASCII Strings

Time of First Successful Submission: 2026-08-27 14:19:54

One-time Pad

Time of First Successful Submission: 2026-08-27 14:49:59

One-time Pad Tampering

Time of First Successful Submission: 2026-08-27 15:01:40

Many-time Pad

Time of First Successful Submission: 2026-08-27 15:50:42

AES

Time of First Successful Submission: 2026-08-27 17:37:13

AES-ECB-CPA

Time of First Successful Submission: 2026-08-28 23:15:20

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-08-29 00:44:39

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-08-29 00:49:52

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-08-29 10:11:33

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-08-29 15:41:38

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-08-29 22:40:58

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-08-30 00:24:03

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-08-30 11:29:45

AES-CBC

Time of First Successful Submission: 2026-08-30 11:43:51

AES-CBC Tampering

Time of First Successful Submission: 2026-08-31 14:48:28

AES-CBC Resizing

Time of First Successful Submission: 2026-08-31 22:08:55

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-09-02 17:20:21

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-09-02 17:21:47

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-09-02 17:34:28

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-09-02 20:51:30

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-09-02 20:52:56

DHKE

Time of First Successful Submission: 2026-09-03 14:57:12

DHKE-to-AES

Time of First Successful Submission: 2026-09-04 15:22:45

RSA 1

Time of First Successful Submission: 2026-09-04 15:50:04

RSA 2

Time of First Successful Submission: 2026-09-04 16:32:18

RSA 3

Time of First Successful Submission: 2026-09-04 17:50:12

RSA 4

Time of First Successful Submission: 2026-09-04 18:39:28

RSA Signatures

Time of First Successful Submission: 2026-09-04 21:54:25

SHA 1

Time of First Successful Submission: 2026-09-04 23:53:09

SHA 2

Time of First Successful Submission: 2026-09-05 12:26:13

TLS 1

Time of First Successful Submission: 2026-09-05 15:11:38

TLS 2

Time of First Successful Submission: 2026-09-05 18:18:18

level1

Time of First Successful Submission: 2026-09-05 18:23:20

level2

Time of First Successful Submission: 2026-09-05 18:23:57

level3

Time of First Successful Submission: 2026-09-05 18:24:34

level4

Time of First Successful Submission: 2026-09-05 18:25:07

level5

Time of First Successful Submission: 2026-09-05 18:29:24

level6

Time of First Successful Submission: 2026-09-05 18:34:04

level7

Time of First Successful Submission: 2026-09-05 18:34:57

level8

Time of First Successful Submission: 2026-09-05 18:35:40

level9

Time of First Successful Submission: 2026-09-05 18:36:57

level10

Time of First Successful Submission: 2026-09-05 18:39:05

level11

Time of First Successful Submission: 2026-09-05 18:49:56

level12

Time of First Successful Submission: 2026-09-05 18:52:15

level13

Time of First Successful Submission: 2026-09-05 18:53:05

level14

Time of First Successful Submission: 2026-09-05 18:54:00

level15

Time of First Successful Submission: 2026-09-05 18:54:35

level16

Time of First Successful Submission: 2026-09-05 18:55:43

level17

Time of First Successful Submission: 2026-09-05 21:26:31

level18

Time of First Successful Submission: 2026-09-05 21:57:33

level19

Time of First Successful Submission: 2026-09-05 22:03:16

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-09-07 19:23:17

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-09-07 20:25:34

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-09-07 22:22:49

Reading Endianness (Python)

Time of First Successful Submission: 2026-09-07 22:32:41

Reading Endianness (C)

Time of First Successful Submission: 2026-09-07 22:42:25

Reading Endianness (x86)

Time of First Successful Submission: 2026-09-07 22:48:45

Version Information (Python)

Time of First Successful Submission: 2026-09-07 23:49:29

Version Information (C)

Time of First Successful Submission: 2026-09-08 00:12:22

Version Information (x86)

Time of First Successful Submission: 2026-09-08 00:27:47

Metadata and Data (Python)

Time of First Successful Submission: 2026-09-08 10:32:28

Metadata and Data (C)

Time of First Successful Submission: 2026-09-08 11:13:52

Metadata and Data (x86)

Time of First Successful Submission: 2026-09-08 11:36:43

Input Restrictions (Python)

Time of First Successful Submission: 2026-09-08 11:46:02

Input Restrictions (C)

Time of First Successful Submission: 2026-09-08 14:39:33

Input Restrictions (x86)

Time of First Successful Submission: 2026-09-08 16:33:11

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-09-08 17:29:11

Behold the cIMG! (C)

Time of First Successful Submission: 2026-09-08 18:15:26

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-09-08 19:03:46

A Basic cIMG (Python)

Time of First Successful Submission: 2026-09-08 19:17:55

A Basic cIMG (C)

Time of First Successful Submission: 2026-09-08 20:12:51

A Basic cIMG (x86)

Time of First Successful Submission: 2026-09-08 20:47:44

Internal State Mini (C)

Time of First Successful Submission: 2026-09-09 00:25:15

Internal State Mini (x86)

Time of First Successful Submission: 2026-09-09 00:43:10

Internal State (C)

Time of First Successful Submission: 2026-09-09 12:25:58

Internal State (x86)

Time of First Successful Submission: 2026-09-09 12:30:23

File Formats: Directives (C)

Time of First Successful Submission: 2026-09-09 13:18:11

File Formats: Directives (x86)

Time of First Successful Submission: 2026-09-09 13:38:18

The Patch Directive

Time of First Successful Submission: 2026-09-09 15:58:33

Optimizing for Space

Time of First Successful Submission: 2026-09-09 16:03:53

Tweaking Images

Time of First Successful Submission: 2026-09-09 17:31:24

Storage and Retrieval

Time of First Successful Submission: 2026-09-16 23:29:09

Extracting Knowledge

Time of First Successful Submission: 2026-09-19 21:54:56

Advanced Sprites

Time of First Successful Submission: 2026-09-27 19:03:29

Accessing Resources

Time of First Successful Submission: 2026-09-27 20:26:04

Unsafe Animations

Time of First Successful Submission: 2026-09-27 23:34:32

Animations

Time of First Successful Submission: 2026-09-28 02:42:44

Interoperability: Patching Data

Time of First Successful Submission: 2026-09-28 22:50:36

Patching Code

Time of First Successful Submission: 2026-09-28 23:39:22

Patching Control Flow

Time of First Successful Submission: 2026-09-28 23:55:50

Your First Overflow (easy)

Time of First Successful Submission: 2026-09-30 01:18:54

Your First Overflow (hard)

Time of First Successful Submission: 2026-09-30 01:57:29

Precision (easy)

Time of First Successful Submission: 2026-09-30 10:43:46

Precision (hard)

Time of First Successful Submission: 2026-09-30 13:06:44

Variable Control (easy)

Time of First Successful Submission: 2026-09-30 15:28:55

Variable Control (hard)

Time of First Successful Submission: 2026-09-30 17:16:14

Control Hijack (easy)

Time of First Successful Submission: 2026-09-30 19:23:20

Control Hijack (hard)

Time of First Successful Submission: 2026-09-30 19:39:53

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-09-30 23:05:50

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-09-30 23:15:22

PIEs (easy)

Time of First Successful Submission: 2026-10-01 02:28:00

PIEs (hard)

Time of First Successful Submission: 2026-10-01 12:08:05

String Lengths (easy)

Time of First Successful Submission: 2026-10-01 13:55:09

String Lengths (hard)

Time of First Successful Submission: 2026-10-01 14:11:15

Basic Shellcode

Time of First Successful Submission: 2026-10-01 17:40:56

NOP Sleds

Time of First Successful Submission: 2026-10-01 18:39:51

NULL-Free Shellcode

Time of First Successful Submission: 2026-10-01 19:32:29

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-10-02 00:52:42

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-10-02 01:08:37

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-10-02 04:16:24

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-10-02 04:23:15

ECB-to-Win (easy)

Time of First Successful Submission: 2026-10-02 15:12:42

ECB-to-Win (hard)

Time of First Successful Submission: 2026-10-02 17:31:47

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-10-02 20:15:02

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-10-03 14:30:19

CIMG Screenshots

Time of First Successful Submission: 2026-10-05 13:50:14

CIMG Screenshots 2

Time of First Successful Submission: 2026-10-05 17:49:02

Wily Webserver

Time of First Successful Submission: 2026-10-06 00:04:56

The Watering Hole

Time of First Successful Submission: 2026-10-06 02:10:31

Secure Chat 1

Time of First Successful Submission: 2026-10-06 21:40:56

Secure Chat 2

Time of First Successful Submission: 2026-10-08 14:34:25

Secure Chat 3

Time of First Successful Submission: 2026-10-11 21:08:13

Secure Chat 4

Time of First Successful Submission: 2026-10-12 13:06:55

Secure Chat 5

Time of First Successful Submission: 2026-10-15 17:17:35

Program Security

4 / 159 8629 / 10783

ello ackers!

Time of First Successful Submission: 2026-10-16 23:07:07

Syscall Smuggler

Time of First Successful Submission: 2026-10-16 23:45:15

Syscall Shenanigans

Time of First Successful Submission: 2026-10-17 00:35:46

Byte Budget

Time of First Successful Submission: 2026-10-17 01:57:39

Linux Luminarium

5 / 128 43968 / 52324

The PATH Variable

Time of First Successful Submission: 2026-09-27 23:02:55

Setting PATH

Time of First Successful Submission: 2026-09-27 23:04:04

Finding Commands

Time of First Successful Submission: 2026-09-27 23:06:23

Adding Commands

Time of First Successful Submission: 2026-09-27 23:11:29

Hijacking Commands

Time of First Successful Submission: 2026-09-27 23:13:56